Mineralape
Rouaite
David Hospital·CC BY-SA 4.0·Wikimedia

Rouaite

Cu2(NO3)(OH)3
Monoclinic heart IMA approved

Rouaite is a rare copper mineral with the chemical formula copper nitrate trihydroxide. It belongs to the monoclinic crystal system and is classified under the nitrates group in the Strunz classification as 5.NB.05. This mineral is characterized by its soft, earthy luster and typically exhibits a greenish or bluish color. It has a relatively low hardness and low density compared to most minerals. Rouaite is a secondary mineral that forms in oxidized copper deposits and is notable for its unique chemical composition, which includes the rare nitrate anion. Its classification as a nitrate mineral places it among a small group of minerals with similar chemical structures.

Composition

Composizione (% in peso)
Cu
O
  • CuCopper52.9%
  • OOxygen40.0%
  • NNitrogen5.8%
  • HHydrogen1.3%

Overview

Rouaite is a rare copper mineral with the chemical formula copper nitrate trihydroxide. It belongs to the monoclinic crystal system and is classified under the nitrates group in the Strunz classification as 5.NB.05. This mineral is characterized by its soft, earthy luster and typically exhibits a greenish or bluish color. It has a relatively low hardness and low density compared to most minerals. Rouaite is a secondary mineral that forms in oxidized copper deposits and is notable for its unique chemical composition, which includes the rare nitrate anion. Its classification as a nitrate mineral places it among a small group of minerals with similar chemical structures.

Etymology

Rouaite is named after the Roua mines, the location of its discovery. The mineral was officially approved by the IMA, but no specific discovery year is provided in the facts.

How to recognize it

Rouaite can be identified by its softness, with a hardness significantly below 3 on the Mohs scale. It typically has a greenish or bluish color and an earthy luster. Its low density and streak can also be used for identification. Due to its rarity and softness, it is often confused with other copper hydroxide or nitrate minerals, but its unique chemical composition helps distinguish it.

Trivia

Rouaite is notable for its rare chemical composition, which includes the nitrate anion, a feature uncommon in minerals. It is one of the few approved minerals with a nitrate-based formula. Additionally, its monoclinic crystal system is less common among nitrate minerals. Lastly, its name is directly tied to the specific locality of the Roua mines, highlighting its limited geographic occurrence.

Spiritual meaning and crystal therapy

Mantra
Heart-centered peace

Spiritual meaning

Rouaite is a rare and grounding stone, traditionally believed to support spiritual clarity and connection to higher wisdom. It is associated with deep introspection and emotional balance.

Esoteric properties

Rouaite is said to enhance meditation and support emotional stability. It is believed to help release negative energies and foster a sense of calm and inner peace.

Associated chakra

Rouaite is traditionally associated with the heart chakra due to its copper content and greenish hues, which are believed to support emotional healing and connection.

Crystal therapy use

Rouaite is often used in meditation or placed on the heart during healing sessions. It is sometimes worn as a pendant to keep its calming energies close to the body.

Information on crystal therapy is provided for cultural and traditional purposes only. It does not replace medical advice or treatment. Always consult a doctor for health issues.

Affirmations

Positive first-person sentences to repeat mentally or aloud while holding the crystal, during meditation or at the start of the day. They help focus intention and attune to the energy traditionally attributed to the stone.

  • I am centered and at peace.
  • I release what no longer serves me.
  • I open my heart to love and healing.

Cleansing and recharging

Pulizia & Ricarica

Rouaite should be cleansed with moonlight or gentle sound vibrations, such as a singing bowl. Avoid water or salt, as it can be sensitive to moisture and soluble elements.

Guided meditation

Sit comfortably and hold Rouaite in your hand. Breathe deeply, focusing on the stone's energy. Visualize green light flowing from the stone into your heart, filling you with calm and clarity.

Body placement

Posizionamento sul corpo

Chakra: heart

Place Rouaite over the heart chakra during therapy sessions to support emotional healing and balance.

  • Corona
  • Terzo occhio
  • Gola
  • Cuore
  • Plesso solare
  • Sacrale
  • Radice

Feng Shui

In Feng Shui, Rouaite is best placed in the southeast Wealth sector or the southwest Love and Relationships sector to support emotional balance and attract positive energies.

Pairings with other crystals

Rouaite pairs well with rose quartz to enhance heart-centered healing and with selenite to amplify spiritual clarity and protection.

Crystal bath

Not recommended for direct water immersion — instead place the stone NEXT to the bathtub or use indirect elixir method.

Frequently asked questions

Rouaite is considered a rare mineral, typically found in limited locations associated with nitrate-rich deposits.